Page 145 - NUMINO TB_4B
P. 145
088_G4U30_G5U13˙—» ¿º 2011.3.24 9:39 AM ˘ ` 134 PDF out 2540DPI 150LPI T
Activity 1 Coordinate Plane
Learn about the coordinate plane and ordered pairs.
A plane formed by a horizontal line (x-axis) and a vertical line (y-axis) is the
coordinate plane.
The point where the x-axis and the y-axis meet is the origin.
An ordered pair is a pair of numbers used to locate a point on a coordinate
plane. The x-coordinate tells how many units to move horizontally, and the
y-coordinate tells how many units to move vertically.
(8,4)
x-coordinate y-coordinate
1 . Identify the ordered pair for each animal.
8
7 Find the location of the
6 rabbit.
Go 8 units to the right
along the x-axis from the
5 origin.
y-axis 4 The x-coordinate is 8.
3 Then go 4 units up from
the origin along the y-axis.
2 The y-coordinate is 4.
1 So the rabbit is at (8, 4).
Origin0 12345678 c.
a. x-axis
b.
(,) (,) (,)
134
Activity 1 Coordinate Plane
Learn about the coordinate plane and ordered pairs.
A plane formed by a horizontal line (x-axis) and a vertical line (y-axis) is the
coordinate plane.
The point where the x-axis and the y-axis meet is the origin.
An ordered pair is a pair of numbers used to locate a point on a coordinate
plane. The x-coordinate tells how many units to move horizontally, and the
y-coordinate tells how many units to move vertically.
(8,4)
x-coordinate y-coordinate
1 . Identify the ordered pair for each animal.
8
7 Find the location of the
6 rabbit.
Go 8 units to the right
along the x-axis from the
5 origin.
y-axis 4 The x-coordinate is 8.
3 Then go 4 units up from
the origin along the y-axis.
2 The y-coordinate is 4.
1 So the rabbit is at (8, 4).
Origin0 12345678 c.
a. x-axis
b.
(,) (,) (,)
134
